Home / 18,653.96-25,627.31-16,690.52

Finding the Fourth Proportional to 18,653.96, 25,627.31 and 16,690.52

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Solution

The fourth proportional to 18,653.96, 25,627.31 and 16,690.52 is: 22,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.96 : 25,627.31 = 16,690.52 : x
  2. Step 2: Convert to fraction form
    18,653.96/25,627.31 = 16,690.52/x
  3. Step 3: Cross multiply
    18,653.96x = 25,627.31 × 16,690.52
  4. Step 4: Simplify right side
    18,653.96x = 427,733,130.10
  5. Step 5: Solve for x
    x = 427,733,130.10/18,653.96
  6. Step 6: Final answer
    x = 22,929.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.